45321573 has 8 divisors (see below), whose sum is σ = 65922336. Its totient is φ = 27467600.

The previous prime is 45321571. The next prime is 45321581. The reversal of 45321573 is 37512354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45321573 - 2¹ = 45321571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45321573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45321571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686658 + ... + 686723.

It is an arithmetic number, because the mean of its divisors is an integer number (8240292).

Almost surely, 2^45321573 is an apocalyptic number.

It is an amenable number.

45321573 is a deficient number, since it is larger than the sum of its proper divisors (20600763).

45321573 is a wasteful number, since it uses less digits than its factorization.

45321573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373395.

The product of its digits is 12600, while the sum is 30.

The square root of 45321573 is about 6732.1299007075. The cubic root of 45321573 is about 356.5345801208.

It can be divided in two parts, 4532 and 1573, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 45321573 in words is "forty-five million, three hundred twenty-one thousand, five hundred seventy-three".